Most energy-efficient air conditioners, 3.6–5 kW (2026)

Choosing a model from the most efficient 5% instead of the least efficient 5% in this group saves about €39 a year at the EU average electricity price (0.283 €/kWh).

By energy class: A 83 · A+ 159 · A++ 1,158 · A+++ 201 · B 12 · C 1 · D 1

1. 251A++
   Emmeti X-REVO-1225D-S

   3.6 kW · SEER 6.6 · 191 kWh/yr
   €54/year
2. 252A++
   Panasonic S-36PY2E5B / U-36PZH2E5

   3.6 kW · SEER 6.6 · 191 kWh/yr
   €54/year
3. 253A+++
   LG MU2R17 U13/MJ07PC NSJ,MJ09PC NSJ

   4.7 kW · SEER 8.5 · 193 kWh/yr
   €55/year
4. 254A++
   Daikin ATXP20K3V1B / ATXP20K3V1B / 2AMXM40M3V1B

   4 kW · SEER 7.3 · 193 kWh/yr
   €55/year
5. 255A++
   Daikin ATXP20K3V1B / ATXP25K3V1B / 2AMXM40M3V1B

   4 kW · SEER 7.3 · 193 kWh/yr
   €55/year
6. 256A+++
   LG MJ07PC NSJ，MJ09PC NSJ/MU2R17 U18A0

   4.7 kW · SEER 8.5 · 193 kWh/yr
   €55/year
7. 257A++
   Mitsubishi Electric SLZ-M35FA3 / PUZ-ZM35VKA3

   3.6 kW · SEER 6.5 · 193 kWh/yr
   €55/year
8. 258A+
   Panasonic CS-ME5PKE + CS-E7QKEW / CU-2E12SBE

   3.6 kW · SEER 6.5 · 194 kWh/yr
   €55/year
9. 259A++
   Mitsubishi Electric PKA-M35LA / PUZ-ZM35VKA

   3.6 kW · SEER 6.5 · 194 kWh/yr
   €55/year
10. 260A++
    Mitsubishi Electric SLZ-M35FA2 / PUZ-ZM35VKA2

    3.6 kW · SEER 6.5 · 194 kWh/yr
    €55/year
11. 261A++
    Saivod AFH091226W (AFH0926W-IN-M/AFH01226W-IN-M/AFH091226W-OUT)

    3.6 kW · SEER 6.5 · 194 kWh/yr
    €55/year
12. 262A++
    Proklima PM09QC1-IN-M / PM12QC1-IN-M / PM2U40-1

    3.6 kW · SEER 6.5 · 194 kWh/yr
    €55/year
13. 263A++
    Candy CY-09BRIN / CY-09BRIN / CY-2H14AOUT

    3.6 kW · SEER 6.5 · 194 kWh/yr
    €55/year
14. 264A++
    Hitachi RAC-42WPE / RAK-42RPE

    4.2 kW · SEER 7.5 · 196 kWh/yr
    €56/year
15. 265A++
    Mitsubishi Electric PKA-M50LA2 / PUZ-ZM35VKA2

    3.6 kW · SEER 6.4 · 196 kWh/yr
    €56/year
16. 266A++
    Daikin FTXA42A2V1BS / RXA42A2V1B

    4.2 kW · SEER 7.5 · 196 kWh/yr
    €56/year
17. 267A++
    Daikin ATXP25K3V1B / ATXP25K3V1B / 2AMXM40M3V1B

    4 kW · SEER 7.1 · 196 kWh/yr
    €56/year
18. 268A++
    Daikin FTXM42M2V1B / RXM42M3V1B9

    4.2 kW · SEER 7.5 · 196 kWh/yr
    €56/year
19. 269A++
    Daikin FTXJ42A2V1BB / RXJ42A2V1B

    4.2 kW · SEER 7.5 · 196 kWh/yr
    €56/year
20. 270A++
    Haier AS35TADHRA-2 / 1U35MEEFRA

    3.6 kW · SEER 6.4 · 197 kWh/yr
    €56/year
21. 271A++
    Equation S-AC-8-IN/S-AC-8-OUT

    3.6 kW · SEER 6.4 · 197 kWh/yr
    €56/year
22. 272A++
    Mitsubishi Electric PCA-M35KA2 / PUZ-ZM35VKA2

    3.6 kW · SEER 6.4 · 197 kWh/yr
    €56/year
23. 273A++
    Panasonic S-36PK2E5B / U-36PE2E5A

    3.6 kW · SEER 6.4 · 197 kWh/yr
    €56/year
24. 274A++
    GES-NMG35IN-20 / GES-NMG35OUT-20

    3.6 kW · SEER 6.4 · 197 kWh/yr
    €56/year
25. 275A++
    Mitsubishi Electric PCA-M35KA3 / PUZ-ZM35VKA3

    3.6 kW · SEER 6.4 · 197 kWh/yr
    €56/year
26. 276A++
    Tesla TC35G301-1232IAWT

    3.6 kW · SEER 6.1 · 197 kWh/yr
    €56/year
27. 277A++
    Chigo CHSC12

    3.6 kW · SEER 6.4 · 197 kWh/yr
    €56/year
28. 278A++
    Viessmann Vitoclima 300-S/HE O2F3041M3

    4.1 kW · SEER 7.2 · 197 kWh/yr
    €56/year
29. 279A++
    Atlantic 872922

    3.6 kW · SEER 6.4 · 197 kWh/yr
    €56/year
30. 280A++
    Omnys WNC-12R26

    3.6 kW · SEER 6.4 · 197 kWh/yr
    €56/year
31. 281A++
    Mitsubishi Electric PCA-M35KA / SUZ-M35VA

    3.6 kW · SEER 6.3 · 198 kWh/yr
    €56/year
32. 282A++
    Mitsubishi Electric PCA-M35KA2 / SUZ-M35VA

    3.6 kW · SEER 6.3 · 198 kWh/yr
    €56/year
33. 283A++
    Samsung AR50F15C1AHN/AR50F15C1AHX

    4.3 kW · SEER 7.6 · 198 kWh/yr
    €56/year
34. 284A++
    Mitsubishi Electric PCA-M35KA3 / SUZ-M35VA2

    3.6 kW · SEER 6.3 · 198 kWh/yr
    €56/year
35. 285A++
    Buderus 7733704963

    4.7 kW · SEER 8.2 · 198 kWh/yr
    €56/year
36. 286A++
    Bosch 7733704919

    4.7 kW · SEER 8.2 · 198 kWh/yr
    €56/year
37. 287A++
    Termet Freeze Silver 3,6 kW T0425000000

    3.6 kW · SEER 6.4 · 198 kWh/yr
    €56/year
38. 288A++
    GREE GWHD(14)NK6OO+GWH09YCXB-K6DNA2C/I×2

    4.1 kW · SEER 7.2 · 199 kWh/yr
    €56/year
39. 289A++
    Heiwa HXES2-2X40-V1 / HMIP2-25W-V1 + HMIP2-25W-V1

    4.1 kW · SEER 7.2 · 199 kWh/yr
    €56/year
40. 290A+
    Hitachi RAM-40NP2B / RAK-15QPB + RAK-25RPB

    4 kW · SEER 7 · 199 kWh/yr
    €56/year
41. 291A++
    Mitsubishi Electric PEAD-M35JAL / SUZ-M35VA

    3.6 kW · SEER 6.3 · 199 kWh/yr
    €56/year
42. 292A++
    Mitsubishi Electric PEAD-M35JA2 / SUZ-M35VA

    3.6 kW · SEER 6.3 · 199 kWh/yr
    €56/year
43. 293A++
    Mitsubishi Electric PEAD-M35JA2 / PUZ-ZM35VKA2

    3.6 kW · SEER 6.3 · 199 kWh/yr
    €56/year
44. 294A++
    Fuji Electric ROG14LTCN/RSG14LTCB

    4.2 kW · SEER 7.4 · 199 kWh/yr
    €56/year
45. 295A++
    Hisense ADT40UX4RGM8/AUW40U4RJ8

    4.1 kW · SEER 7.2 · 199 kWh/yr
    €56/year
46. 296A++
    Sinclair MV-E14BI2

    4.1 kW · SEER 7.2 · 199 kWh/yr
    €56/year
47. 297A
    Fujitsu AOYG14LTCN/ASYG14LTCB

    4.2 kW · SEER 7.4 · 199 kWh/yr
    €56/year
48. 298A
    General AOHG14LTCN/ASHG14LTCB

    4.2 kW · SEER 7.4 · 199 kWh/yr
    €56/year
49. 299A++
    General AOHH14KMCFN/ASHH14KMCFN

    4.2 kW · SEER 7.4 · 199 kWh/yr
    €56/year
50. 300A++
    Fujitsu AOEH14KMCFN/ASEH14KMCFN

    4.2 kW · SEER 7.4 · 199 kWh/yr
    €56/year

Ranked by annual energy consumption; running cost at the EU average household price. Open a model to see the cost in your country. Methodology